<p>Please fill out the form below to register an account.</p>
<?php echo $this->Form->create('User', array('action' => 'register'));?>

<?php
    echo $this->Form->input('first_name');
    echo $this->Form->input('last_name');
    echo $this->Form->input('username',array('after' => $this->Form->error
       ('username_unique', 'The username is taken. Please try again.')));
    echo $this->Form->input('email');
    echo $this->Form->input('password');
?>

<?php echo $this->Form->end('Register');?>